NCERT Class 10 Science-Carbon and Its Compounds[Bonding in Carbon - The Covalent Bond] [NCERT Based General Studies (GS)]: Questions 1 - 6 of 17

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Question 1

Question MCQ▾

Allotrope of Carbon having a formula C60 is:

Choices

Choice (4)Response

a.

Graphite

b.

Diamond

c.

Fullerenes

d.

None of the above

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Question 2

Question MCQ▾

Graphite is:

Choices

Choice (4)Response

a.

Soft, lighter than diamond and high melting point

AND

Good conductor of heat and electricity

b.

Insoluble and burns in air

c.

Greyish black opaque material

d.

All a., b. and c. are correct

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Question 3

Question MCQ▾

How Carbon attain its noble gas configuration?

Choices

Choice (4)Response

a.

It could gain four electrons forming anion

b.

It could lose four electrons forming anion

c.

Sharing its valence electrons

d.

Question does not provide sufficient data or is vague

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Question 4

Question MCQ▾

Graphite is used as:

Choices

Choice (4)Response

a.

Electrodes in dry cells and electric arc furnaces

b.

For making crucibles, lead pencils, gramophone records and in electrotyping

c.

Manufacturing artificial diamonds

d.

All a., b. and c. are correct

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Question 5

Question MCQ▾

Single covalent bond formed due to the sharing of:

Choices

Choice (4)Response

a.

One pair of electrons

b.

Three pair of electrons

c.

Two pairs of electrons

d.

None of the above

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Question 6

Question MCQ▾

Covalent bonds are:

Choices

Choice (4)Response

a.

Strong and not broken by heat

b.

Directional

c.

Formed by mutual sharing of electrons

d.

All a., b. and c. are correct

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